Multi-Functional DAQ Digital Signals

[MaveenD]

I have +5v supply with two different ground with different tasks. Will there be a problem ?

I am using a Multidaq , I am need 5V for encoder supply and 5v for switching the relay.

Please help me

[CindyShark]

What are you trying to achieve and what is your actual question? Please provide more information about your application and the hardware you are using (model number, etc.)

[Suse]

Hi MaveenD,

like in the previous post, we need more information about your application.

Which software, which hardware and driver (DAQmx) do you use?

What exactly do you want to do?

Best regards

Suse

[MaveenD]

Hi people,

Thanks for the reply. I am using a third party DAQ Meilhaus usb 1208fs module.

I want use to power up my encoder agilent hedl 5040  for acquiring the signals .

I also want 5v for a relay to switch on another via this VIA .

[Suse]

Hi,

you can ask the Meilhaus Support if there is a LabVIEW driver you can use.

The instrument driver network at ni.com doesn't show any drivers for Meilhaus devices.

But you can find a lot for agilent devices:

http://search.ni.com/nisearch/app/main/p/bot/no/ap/tech/lang/en/pg/1/sn/ssnav:idr/q/agilent/scope/en...

If you want to use NI USB-DAQ devices you can use the NI-DAQmx driver and don't need to write a driver on your own:

https://www.ni.com/en/support/downloads/drivers/download.ni-daq-mx.html

If you have to do it on your own because there is no LabVIEW driver available, have a look at this link:

Set Up Communication With USB Instrument

Hope this helps

Suse

[MaveenD]

Thanks Suse.

but i have done all these things,Can you help me?

My question is From the 5v from my DAQ in two different components to power that up.

[Dennis_Knutson]

In my opinion, powering external components from a DAQ board is not a good idea, especially with two separate grounds. You would be much better off buying a couple of cheap wall warts. In any case, you are asking your question at the wrong place. You are not using an NI board so no one knows what the capabilities of your device are.

[Suse]

Hi,

if Meilhaus has no driver, unfortunately you have to write it on your own with NI-VISA:

http://www.ni.com/nisearch/app/main/p/bot/no/ap/tech/lang/en/pg/1/sn/catnav:du,n8:3.25.123.1640,ssna...

NI-VISA and LabVIEW Version Compatibility for Windows:

https://www.ni.com/en/support/documentation/compatibility/16/ni-visa-and-labview-version-compatibili...

Best regards

Suse